1W 1.6W 3W 445nm,520nm Blue Laser Drive Circuit Board
- Circuit control: 5V step-down circuit, constant current output, guaranteed 5.8-12V power supply stabilized by optical output
- Size specification: 2*22mm
- Reverse protection: Unique Reverse protection design
- Pin definition: Specially designed for the 445nm drive plate, you only need to arrange the natural welding on the foot triangle.
- Polarity definition: The module shell is positive, the tail end solder Tray
